Package edu.caltech.nanodb.commands

Class FlushCommand

java.lang.Object

edu.caltech.nanodb.commands.Command

edu.caltech.nanodb.commands.FlushCommand

public class FlushCommand
extends Command

This command flushes all unwritten data from the buffer manager to disk. A sync is not performed.

Nested Class Summary

Nested classes/interfaces inherited from class edu.caltech.nanodb.commands.Command

Command.Type

Field Summary

Fields inherited from class edu.caltech.nanodb.commands.Command

out

Constructor Summary

Constructors

Constructor	Description
FlushCommand()	Construct a new FLUSH command.

Method Summary

Modifier and Type	Method	Description
void	execute(NanoDBServer server)	Actually performs the command.
java.lang.String	toString()	Prints a simple representation of the flush command.

Methods inherited from class edu.caltech.nanodb.commands.Command

getCommandType

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

FlushCommand

public FlushCommand()

Construct a new FLUSH command.

Method Detail

execute

public void execute(NanoDBServer server)
             throws ExecutionException

Description copied from class: Command

Actually performs the command.

Specified by:

execute in class Command

Throws:

ExecutionException - if an issue occurs during command execution

toString

public java.lang.String toString()

Prints a simple representation of the flush command.

Overrides:

toString in class java.lang.Object

Returns:

a string representing this flush command